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. 2020 Dec 1;22(12):e19150. doi: 10.2196/19150

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©Virginia Signal, Melissa McLeod, James Stanley, Jeannine Stairmand, Nitin Sukumaran, Donna-Marie Thompson, Kelly Henderson, Cheryl Davies, Jeremy Krebs, Anthony Dowell, Rebecca Grainger, Diana Sarfati. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 01.12.2020.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work, first published in the Journal of Medical Internet Research, is properly cited. The complete bibliographic information, a link to the original publication on http://www.jmir.org/, as well as this copyright and license information must be included.

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Trends in engagement by week according to type of activity (diary, online peer support forum). “Any” activity represents percentage with any active engagement in that week.